Effectiveness of Variable Message Signs on Driving Behavior Based on a Driving Simulation Experiment

Table 5

MANOVA variance analysis of lane changing behavior.

Dependent variable	Independent variable	Type III SS	DF	Mean square	𝐹	Sig.
The first part: VMS location (VMS-I)	LCT	38.32	2	19.16	0.625	0.539
	LCP	50245	2	25212	1.085	0.345
	LCL	2264.30	2	1132.15	0.134	0.875
	LCS	7.92	2	3.96	0.131	0.878
	LCD	3.74	2	1.87	8.249	0.001
The second part: VMS information formats (VMS-II)	LCT	142.03	2	71.01	2.890	0.065
	LCP	119829	2	59915	7.733	0.001
	LCL	57245.30	2	28622.69	6.622	0.003
	LCS	322.44	2	161.22	7.762	0.001
	LCD	0.38	2	0.19	0.602	0.551